<rectangles-editor></rectangles-editor>
<div class="edit-buttons">
  <button mat-raised-button (click)="startEdit()">Create Rectangle</button>
  <button mat-raised-button (click)="stopEdit()">Stop Edit Rectangle</button>
  <button mat-raised-button (click)="editFromExisting()">Create Rectangle with default</button>
  <button mat-raised-button (click)="toggleEnableEditing()">toggle disable edit</button>
</div>
